setting ignition curves without dyno

[Tom Sharpe]

Greg Hermann wrote:

> >How about this idea..............actually build a dyno into your car.  A
> >company called Land & Sea offer a product called "DYNOmite" which
> >nonintrusively measures driveshaft torque and computes a host of parameters,
> >including HP.    With such a product, every run on the street or track can
> >be a dyno session.  I've been contemplating doing this to my project for
> >awhile.
> >
> >Land & Sea is on the Web, and they are also at 1-603-329-5645.  I'd
> >personally be interested in hearing from anyone who has tried this, or knows
> >of anyone who has tried this.
> >
> >Thanks.
> >
> Not tried either it or the following described idea, but had been
> contemplating doing as follows--mount a fore and aft oriented accelerometer
> in the vehicle and include its output in a datalogging setup. A fuel used
> pulse (or whatever sort of computed integration of fuel used) output from
> the ecu could also be a very helpful thing to datalog in this regard.
>
> ---Greg

You should be able to determine crankshaft acceleration from the crank sensor....

Just more clutter for the programmer.....

Regards  Tom